Maximal Power Bluetooth Keyboard for Samsung Galaxy Tab 3 10.1 with PU Leather Folio Case, Black (BT KBD SAM Tab3 10.1-BK) Built-in Wireless Bluetooth 3.0 Keyboard Bluetooth Transmit Range: Up to 6 meters Built-in Rechargeable Lithium-ion battery which has absolutely no memory effect so that you can charge battery at anytime. The integrated microchip prevents overcharging & lengthens battery life Stylish Protective PU leather case with elegant construction, stitching and with built-in stand which is perfect for viewing movies, playing games, hands free reading Invisible magnetic flap closure used as a quick and convenient way of closing case and protecting your tablet screen Special home screen key for One-Touch access to variety of applications has Energy saving keyboard sleep mode Premium quality microfiber interior adds comfort and scratch protection